N. Bilgin Et Al. , "Cutting performance of jack hammers and roadheaders in Istanbul Metro drivages," World Tunnel Congress 1997 on Tunnels for People / 23rd General Assembly of the International-Tunnelling-Association on Rock Characterisation for Tunnelling , Vienna, Austria, pp.455-460, 1997
Bilgin, N. Et Al. 1997. Cutting performance of jack hammers and roadheaders in Istanbul Metro drivages. World Tunnel Congress 1997 on Tunnels for People / 23rd General Assembly of the International-Tunnelling-Association on Rock Characterisation for Tunnelling , (Vienna, Austria), 455-460.
Bilgin, N., Kuzu, C., Eskikaya, S., & Ozdemir, L., (1997). Cutting performance of jack hammers and roadheaders in Istanbul Metro drivages . World Tunnel Congress 1997 on Tunnels for People / 23rd General Assembly of the International-Tunnelling-Association on Rock Characterisation for Tunnelling (pp.455-460). Vienna, Austria
Bilgin, N Et Al. "Cutting performance of jack hammers and roadheaders in Istanbul Metro drivages," World Tunnel Congress 1997 on Tunnels for People / 23rd General Assembly of the International-Tunnelling-Association on Rock Characterisation for Tunnelling, Vienna, Austria, 1997
Bilgin, N Et Al. "Cutting performance of jack hammers and roadheaders in Istanbul Metro drivages." World Tunnel Congress 1997 on Tunnels for People / 23rd General Assembly of the International-Tunnelling-Association on Rock Characterisation for Tunnelling , Vienna, Austria, pp.455-460, 1997
Bilgin, N. Et Al. (1997) . "Cutting performance of jack hammers and roadheaders in Istanbul Metro drivages." World Tunnel Congress 1997 on Tunnels for People / 23rd General Assembly of the International-Tunnelling-Association on Rock Characterisation for Tunnelling , Vienna, Austria, pp.455-460.
@conferencepaper{conferencepaper, author={N Bilgin Et Al. }, title={Cutting performance of jack hammers and roadheaders in Istanbul Metro drivages}, congress name={World Tunnel Congress 1997 on Tunnels for People / 23rd General Assembly of the International-Tunnelling-Association on Rock Characterisation for Tunnelling}, city={Vienna}, country={Austria}, year={1997}, pages={455-460} }